Definitions
Transformations
Transformations 2
Congruency
Similarity
Christmas Trivia
100
Lines that intersect at a right angle:
Perpendicular Lines
100
How does a point change when reflecting it across the x-axis?
What is (x,y) becomes (x, -y)?
100
How does a point change when reflected across the y axis?
What is (x,y) becomes (-x,y)
100
If triangle ABC is congruent to triangle DEF. Side BC is congruent to which side of triangle DEF?
What is side EF?
100
If you deemed two triangles similar based solely on the fact they had two congruent angles, you were a smarty and used the __________________ postulate.
The AA Similarity Postulate
100
What's the name of the Grinch's dog?
Max
200
A transformation that enlarges or reduces a shape.
Dilation
200
What will the point (-3,-5) be when reflected across the y axis?
What is (3, -5)?
200
The flip of a figure over a line to produce a mirror image.
What is a reflection?
200
Which of the following is not a plausible postulate for triangle congruency? A) ASA, B) SSS, C) SSA, D)SAS.
C) SSA
(Triangles don't have butts!)
200
Calculate the value of DC: 
DC= 9
200
The name of Scrooge's dead business partner.
Jacob Marley
300
The Slide of a figure from one location to another
What is a Translation?
300
Write the rule for the following translation. (1,4) translates to (4, -3)
What is (x+3, y-7)?
300
Given this dilation, name the scale factor:
What is 1/2
300
What is the reason why these triangles are congruent? 
SAS
300
Nicole wants to find the height of the school gym. She measures her shadow at .5 meters and the Gym's shadow at 3.6 meters. Nicole's height is 1.8 meters. What is the height of the Gym?
H= 12.96m (13m is acceptable)
300
"We elves try to stick to the four main food groups: Candy, Candy Canes, Candy corns, and______" (from the movie ELF)
Syrup
400
Rigid motion means...
A transformation preserving angles and sides (rotation, reflection, translation)
400
Describe what happens to the point (4,5) when flipped across the line y=x.
What is (5,4)?
400
What happens when you flip the point (x, y) across the line y=-x?
What is (-y, -x)?
400
True or False: All triangles that have at least 2 of the same angle measurements will always be congruent.
What is FALSE:
They could be similar, but not always congruent.
400
Calculate the value of X: 
X=9
400
What was Frosty's nose made out of?
A Button
"...a corn-cob pipe and a button nose..."
500
Explain the difference between congruent shapes and similar shapes.
Congruent: same size, same shape
Similar: diff. size, same shape
500
Explain this sequence of transformations in the correct order:
Translate 5 down, 1 left
Reflect over Y-axis
500
Reflect the point (6, 7) across the line y=-x.
What is (-7, -6)?
500
Why can't Angle-Angle-Angle be a valid postulate for Congruency?
Because it is possible for all angles to be congruent, however triangle side lengths could be different lengths therefore these triangles would not be congruent.
500
Prove or Disprove that the triangles are Similar:
Not Similar, sides are not proportional
500
List all 8 of the ORIGINAL reindeer that pull Santa's Sleigh.
Dasher, Dancer, Prancer, Vixen
Comet, Cupid, Donner, Blitzen